Small-Size, Low-Cross-Talk GaAs–AlGaAs Electro-Optic Directional Coupler Switches with Alternating Δβ for Long-Wavelength Matrix Switches
- 1 January 1989
- proceedings article
- Published by Optica Publishing Group
Abstract
Small size ( 2mm-long ) GaAs/AlGaAs directional couplers, with crosstalk as low as -16 dB at λ=1.3μm without a requirement for precise device dimensions control, have been achieved by using alternating Δβ technique.Keywords
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